role-architect:capacity-planning

Estimate infrastructure capacity from DAU, QPS, and growth patterns.

14|3|Updated Feb 22, 2026
One-click install
npx skills add https://github.com/rnavarych/alpha-engineer --skill role-architect-capacity-planning
Or copy as Structured Prompt for Agent
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Skill: role-architect:capacity-planning
Source: https://github.com/rnavarych/alpha-engineer/tree/main/plugins/roles/role-architect/skills/capacity-planning
Command: npx skills add https://github.com/rnavarych/alpha-engineer --skill role-architect-capacity-planning

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps engineers accurately estimate and plan for the infrastructure resources needed to support current and future user traffic, preventing performance bottlenecks and ensuring scalability.

Core Features & Use Cases

  • Traffic Estimation: Convert Daily Active Users (DAU) into Queries Per Second (QPS) and estimate peak load multipliers.
  • Resource Sizing: Determine appropriate CPU, memory, storage, and network requirements based on traffic and application profiles.
  • Growth Modeling: Plan for linear, exponential, or step-function growth to ensure infrastructure can scale.
  • Load Testing Correlation: Understand how to use load test results to define capacity ceilings and validate growth plans.
  • Use Case: Before launching a new feature expected to double user engagement, use this Skill to calculate the necessary increase in server instances, database capacity, and network bandwidth.

Quick Start

Calculate the QPS for a new service with 100,000 DAU and a 3x peak multiplier, then determine the required CPU and memory for 70% utilization.

Frequently Asked Questions about role-architect:capacity-planning

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I convert DAU to QPS for capacity planning?

Capacity planning estimates required CPU, memory, storage, and network resources by modeling traffic from business metrics like DAU. It correlates load testing results to infrastructure capacity to prevent performance bottlenecks and ensure system scalability.

How do I calculate infrastructure resource sizing for peak traffic loads?

Model linear, exponential, or step-function growth patterns to project future infrastructure requirements. Calculate runway capacity to determine when additional resources are needed, ensuring infrastructure scales appropriately with projected business growth.

How do I use load testing results to define infrastructure capacity ceilings?

Correlate load testing results to define infrastructure capacity ceilings by mapping maximum sustained QPS from tests against CPU and memory limits. This validates your growth plans and identifies exact traffic thresholds before performance degrades.

What is the best way to model exponential growth for infrastructure scalability planning?

Model exponential growth for infrastructure scalability by applying compounding traffic multipliers to baseline DAU estimates. Use runway calculations to project when current resource ceilings will be breached and schedule capacity expansions accordingly.